Chair frame



FIG. 1 is a front, left side perspective view of a chair framecomprising my new design;

FIG. 2 is a left-side perspective view thereof;

FIG. 3 is a front-elevation view thereof;

FIG. 4 is a rear-elevation view thereof;

FIG. 5 is a side-elevation view, the opposite side elevation view beinga mirror image thereof; and,

FIG. 6 is a top-plan view thereof.

The dashed lines depicting the chair seat and backrest in FIG. 1 havebeen shown for illustrative purposes only and form no part of theclaimed design.

The ornamental design for a chair frame, as shown and described.